She and three friends made it home and watched as the school shooting played out on the news on May 18, 2018. It wasn't long before they had an idea.

"We wanted to start something that will help with the situation that both sides, left or right, can get behind," O'Day said.

They started Hearts United For Kindness
, a nonprofit focused on kindness, which she says could be the key to preventing tragedies like this.

"I believe that it comes from that hate," O'Day said. "That's why you're getting these events happening. So we just wanna be able to make sure people have an outlet so they can learn to control their emotions."

Mandy Jordan, a 2001 Santa Fe graduate, is doing something similar by creating a healing garden.